Those blue screens of death (BSoD) are never a good thing in Windows. It makes pros cringe and casual computer users cry out for help.
Unfortunately, system crashes are a part of any computer platform, but Microsoft is making it a little less cryptic and scary. This is what the BSoD looks like in the developer preview of Windows 8 released yesterday:
So it's still blue and it doesn't change the fact that the system needs to restart after a crash, but at least it's not a confusing mess of letters and numbers.